I have a used but works perfectly ATI FirePro 3D Graphics Card model V8750. It was in my workstation for just over a year and never had a single problem with it. I'm building a new rig so all I have is the card. Of course, you can grab the manual and drivers online.

A friend used it for CAD, I played games with it (Diablo III, Skyrim, etc.) Here are the specs: